SI4739-C40-GU

Product Overview

SI4739-C40-GU from Skyworks Solutions Inc. is a digital CMOS AM/FM/SW/LW broadcast radio receiver. This product detail focuses on practical receiver parameters, band support, interface requirements and sourcing relevance for engineering and procurement teams.

It is suitable for broadcast radio receiver designs where integration, host control and reliable reception are important, with the final ordering suffix used to confirm package, tape-and-reel format, temperature grade and feature set before purchase.

Key Features

• Manufacturer: Skyworks Solutions Inc.
• Part Number: SI4739-C40-GU
• Device Type: digital CMOS AM/FM/SW/LW broadcast radio receiver
• Receiver Architecture: Digital low-IF CMOS architecture integrating tuner, receiver and audio/data processing functions
• Radio Bands: AM, FM, shortwave and longwave broadcast reception depending on selected device revision
• FM Coverage: Worldwide FM broadcast coverage, including low-band configurations used around 64 MHz to 108 MHz
• AM / SW / LW Support: Medium-wave AM plus shortwave and longwave reception modes supported by the Si473x command set
• RDS / RBDS: RDS/RBDS capability on applicable Si4737/Si4738/Si4739 variants
• Control Interface: Host-command radio API with programmable properties, seek/tune commands and reference-clock options
• Integration: Low external BOM receiver path from antenna input to audio or digital-output interface
• Package / Case: 24-pin SSOP receiver package family, GU/GUR tape-and-reel ordering suffix
• Design Notes: Select the B20/C40/D60 revision and GM/GU package option according to band coverage, RDS functions and board footprint.

Applications

Portable radios, clock radios, docking stations, mini HiFi systems, consumer audio receivers and compact broadcast-radio products.

Replacement builds, legacy receiver boards and low-BOM AM/FM/SW/LW designs that need mature broadcast receiver IC support.

Quality & Sourcing

Antrex Electronics can support sourcing for SI4739-C40-GU through available stock checks, BOM consolidation and alternative-lot review. For RF receiver components, packaging condition, date code, MSL handling and original labeling should be checked before shipment.

For project builds, repair support or shortage coverage, Antrex Electronics can coordinate visual inspection, package verification and third-party testing when required. This helps buyers manage risk when sourcing discontinued, legacy or hard-to-find RF receiver parts.